Telephone system



Jan. 5, 1932. T. H. ROBERTS TELEPHONE SYSTEM Filed Sept. 30, 1950 59Sheets-Sheet l Jan. 5, i932. T. H. ROBERTS 1,8432

TELEPHONE SYSTEM Filed Sept. 30, 1930 59 Sheets-Sheet. 2

ATTORNEY NWN /NVENTR H. R055@ rs ByM OSW Jan. 5, 1932. T, H ROBERTS1,840,132

TELEPHONE SYSTEM Filed Sept. 30, 1930 39 Sheets-Sheet 5 MARG/NAL /fv VENTo@ 7.' H. ROBE/' TS A 7' TORNEV Jan. 5, 1932. T, H. ROBERTS 1,840,132

TELEPHONE SYSTEM Filed sept. so, 1930 :59 Sheets-sheet 4 mw M /V/vf/ENTo@ 7T H. ROB/ER TS A TTO/VEY Jan; 5, I1932. T. H. ROBERTS 1,840,132

TELEPHONE SYSTEM Filed Sept. 30, 1930 39 SheeiS-Sheet 5 lll-H1/Nz/E/vfof? 7T H. ROBERTS @y @6.6M f

ATTOP/VEY Jan. 5, 1932. T. H. ROBERTS TELEPHONE SYSTEM Filed sept. so,1930 :59 Sheets-Sheet 6 Ill IIIHIHHI HH HI /Nl/ENTOR T. H. ROBERTS B@-gfm v ATTORNEY Jan. 5, 1932. T, H ROBERTS 1,840,132

TELEPHONE SYSTEM Filed Sept. 30, 1930 59 Sheets-Sheet l' I1 llllll'llTROUBLE RECORDER CIRCUIT /m/E/v Tof? 7.' H. ROBERTS A 7' TORNEYy Jan. 5,1932. T, ROBERTS 1,840,132

TELEPHONE SYSTEM Filed Sept. 50, 1930 39 Sheets-Sheet 8 2mn ill"/NVE/vrof? 7T 'H. ROBERTS Jan. 5, 1932. T. H. ROBERTS 1f.84i),132

TELEPHONE SYSTEM Filed Sept. 30, 1930 39 Sheets-Sheet 9 /NVENFUR I H.R055@ TS ATTORNEY Jam 5, 1932. T, H. ROBERTS 1,840,132

TELEPHONE SYS TEM Filed Sept. 30, 1930 .'59 Sheets-5hee lO ATTORNEY Jan-5, 1932- T. H. ROBERTS L840132 TELEPHONE SYSTEM Filed sept. 5o, 1930 59Shets--Sheen 11 Jan. 5 1932. T. H. ROBERTS 1,84y132 TELEPHONE SYSTEMFiled sept. so, 1930 39 sheets-sheen 12 f/vs/ffvof? H. ROBERTS ATTOANE.V

Jan. 5, 1932. T'. H. ROBERTS 1,840,132

TELEPHONE SYSTEM Filed Sept. 30, 1930 39 Sheets-Sheet 13 l :IHM l 1H. r)

' g NVENTO? T. H. ROBE/Q75 5' @fwm ATTORNEY Jan. 5, 1932. T. H. ROBERTS1,840,132

TELEPHONE SYSTEM Filed Sept. 30, 1930 39 Sheets-Sheet 14 I'HIl wf/wok 7TH. ROBER T3 A7' TORNEY Jan. 5, 1932. T. H. ROBERTS TELEPHONE SYSTEMFiled Sept. 30, 1930 59 SheetSwSheet l5 mkh .1.4: SLE m Nin /NVENTOR TH. HUBER T5 By ATTORNEY Jan. 5, 1932. T. H RQBERTS 1,84),132

TELEPHONE SYSTEM Filed Sept. 30, 1930 59 Sheets-Sheet 16 52 (jj/NI/ENTOJ? l #RQ/3557's ATTORNEY Jan. 5, 1932.; T, H ROBERTS 1,840,132

TELEPHONE SYSTEM Filed sept- 3o, 195o 39 Smets-sheen 17 /NV'ENTR T. H.HUBER T5 ATTORNEY Jan. 5, 1932. T. H. ROBERTS TELEPHONE SYSTEM Filedsept. so, 1930 59 Sheets-Sheet 18 ATTORNEY Jan. 5, 1932. T; H, ROBERTS1,840,132

TELEPHONE SYSTEM Filed Se t. 50, 1930 59 Sheets-Sheetl 19 /NVE/v TOR 7TH. ROBERTS FIG/9 ,4 TTORNEV Jan. 5, 1932. T. H. ROBERTS 1,840,132.

TELEPHONE SYSTEM Filed Sept. 30, 1930 39 Sheets-Sheet 2O /Nl/ENTOR 7TH.ROBERTS

